To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Is there any recommended chip antenna for NRF52 SoC? Any guideline on the antenna placement, designing the matching circuit etc? I assume for NRF52, no need for an external...
I have moved bootloader from 8.0.0 SDK on top of our custom application. During boot, the softDevice transitions to bootloader as expected. The bootloader then advertises...
I'm using vanilla version of the dfu_dual_bank_ble_s110 project on top of my application. The problem is that the firmware enters bootloader mode whenever a USB is connected...
Is there a way to figure out for which target a binary in _build/ is compiled with Keil?
(other than parse .map or .lnp file for a file unique to the target)
hi , I am trying to download the softdevice(v8) and cross compiled application(using makefile in nrf51822 sdk v6) from my Linux PC using JLinkExe.
following is the memory...
if i am a master i want know to know the sleep period of node,how do i know...?
how do i know whether it is sleeping or awake..?
if i have data to sent for node,but...
nrf51822_AA rev3, SDK8.0.0, S110 8.0.0
My application has the max number of bonds set to 24 with a size of 128bytes each. So that's 3 pages. Plus one page for saving user...
Hello,
I want to generate timer events as exact as possible, based on a time base that is defined by a runing timer. For example, I've setup timer0 to count up every 1µs...
Hello,
I want to use the Segger drag and drop programming feature on the PCA10028.
I have got a running application with the S120 softdevice.
To use the mass storage...
After 6 days hard work finally completed a C++ class to implement MultiCeiver and Enhanced ShockBurst….
But the “Product Specification PDF” contains some errors:
a) Page59...
What's the best way to ask the device manager how many bonds it has? Or even, whether it has any bonds at all?
I can see nothing in the API docs here:
developer.nordicsemi...
Hi all,
I asked this question before but I am not able up to now to find solution. How to use DFU example of SDK 7.1 for the S130 SoftDevice. I have tried some flash address...
I am currently developing a bootloader for N548 chip from Dynastream/Nordic.
I am following the project example for the S310 soft device and using IAR.
The project had been...
So I see ble_app_hrs and others have some nice examples of buttonless reboot into DFU bootloader. But for security reasons, I'd rather the user hold down the reset button...
